Re: A figure of merit

• To: tesla-at-pupman-dot-com
• Subject: Re: A figure of merit
• From: "Gary Johnson" <gjohnson-at-ksu.edu> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 26 Apr 2000 21:00:13 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In general, I like the idea of a figure of merit.  But I am making sparks
without a primary.  I direct drive the base of the extra coil.  It would
seem that I would be at a severe disadvantage without that stage of voltage
stepup.

Gary Johnson

At 12:43 PM 04/26/2000 -0600, you wrote:
>Original Poster: "Kennan C Herrick" <kcha1-at-juno-dot-com> 
>
>A while back Gary Johnson asked for reports on solid-state spark length;
>and I responded with a proposal for a figure of merit or "quality"
>measure for Tesla coils: spark length to a grounded point per primary
>volt--for all builders, solid state and "spark".  I proposed millimeters
>per volt just to make the number less depressing (25.4 mm are in each and
>every inch!).
>
>But there's been a silence.  So I repeat it.  How about it, everyone? 
>Any interest?
>
>I put up 3.8 mm/V:  ~24" or 610 mm with 160 V on my solid-state primary.
>
>Ken Herrick
>________________________________________________________________
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>

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